The correct option is B.
You can test if there are two independent clauses by separating the clauses and seeing if they can stand alone.
They hadn't planned the trip. They returned to the store the next day and bought more peanut brittle.
Since the the two clauses can stand alone, there are two independent clauses.
Two independent clauses constitute a compound sentence.
Answer:
They create a troubled, pessimistic tone.
Explanation:
Contract negotiation is the process of give and take the parties go through to reach an agreement. Or, as they often say in business, "you don't get what you deserve; you get what you negotiate." ... For practical tips on tactics at the negotiating table, check out Nolo's article Contract Negotiation: 11 Strategies.